.content {
  width: 100%;
  height: 100%;
  flex: 3;
  background: #000;
  padding: 8px 8px 0;
  position: relative;
  // 位置条
  &-mouse-positon {
    width: 200px;
    height: 25px;
    line-height: 25px;
    text-align: center;
    position: absolute;
    left: 8px;
    top: 8px;
    background-color: rgba(40, 49, 66, 0.6);
    border-radius: 4px;
    z-index: 1;
    color: #fff;
  }
  &-viewer-container {
    width: 100%;
    height: 100%;
    overflow: hidden;
  }
  &-thumbnail {
    width: 200px;
    height: 200px;
    border: 4px solid rgba(40, 49, 66, 0.6);
    position: absolute;
    left: 8px;
    bottom: 8px;
    background-color: #f5f5f5;
  }
}